Update: 05 October 2023
Version 4 of the industry Guidelines on Cyber Security Onboard Ships was released in December 2020 and since then new elements have developed. The most significant development is probably the decision by IACS to develop two sets of unified requirements (URs) to deal with cyber resilience of ships (UR E26), and onboard systems and equipment (UR E27). The Guidelines on Cyber Security Onboard Ships, version 4 is available for download here.
A review and revision process of the industry Guidelines commenced with following course of actions:
